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diameter of stock I pipe

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Old Jan 3, 2005 | 10:21 PM
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From: VANDENBERG AFB, CA
Default diameter of stock I pipe

I,m away from my Z right now and want to order some exhaust parts to be there when I return from vacation.I'm gonna make a stockmouth with a bullet and some tubing.
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Old Jan 3, 2005 | 11:03 PM
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I think either 2.5" or 2.25". I'm leaning toward 2.25", though.
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Old Jan 3, 2005 | 11:05 PM
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2 3/4 OD before the axle. But I think it gets down to 2.5 at the muffler?
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Old Jan 3, 2005 | 11:11 PM
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Thanks guys
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Old Jan 3, 2005 | 11:53 PM
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Yep..

I-pipe is 2.75"
Pipe leading into the mufflers is 2.5".
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Old Jan 4, 2005 | 12:04 AM
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Are you sure? I can swear mine was 3"
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Old Jan 4, 2005 | 04:05 AM
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2.75"
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